Alert archive / Florida / Red Flag Warnings in 2011

Red Flag Warning 5, NWS Melbourne, FL

January 22, 20115 counties in Florida

NWS Melbourne, FL issued this red flag warning at Jan 22, 2011, 5:14 AM EST for 5 counties in Florida. It took effect at Jan 22, 2011, 12:00 PM EST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 22, 2011, 5:14 AM EST (10:14 UTC)
In effect from
Jan 22, 2011, 12:00 PM EST
Expired
Jan 22, 2011, 6:00 PM EST
In force
6 hr
Issued by
NWS Melbourne, FL

Counties Lake County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 86 km from the middle of the area, began a volume at 10:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 10.2 hours before the alert went out and 81 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cape Canaveral, FL at 00:00Z on 2011-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 00:00Z on 2011-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
461 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

049 
WWUS82 KMLB 221014
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
514 AM EST SAT JAN 22 2011

FLZ041-044>046-053-144-222300-
/O.UPG.KMLB.FW.A.0004.110122T1700Z-110122T2300Z/
/O.NEW.KMLB.FW.W.0005.110122T1700Z-110122T2300Z/
/O.NEW.KMLB.FW.A.0005.110123T1700Z-110123T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
514 AM EST SAT JAN 22 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING...
...FIRE WEATHER WATCH IN EFFECT SUNDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED AND IS IN
EFFECT SUNDAY AFTERNOON.

GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP TODAY AS LOW PRESSURE
STRENGTHENS NORTH OF THE BAHAMAS. SUSTAINED 20 FOOT WINDS OF 15 TO
20 MPH WILL ACCOMPANY HIGHER GUSTS. MUCH DRIER AIR WILL BE DRAWN
INTO THE AREA WITH LONG DURATIONS OF CRITICAL RELATIVE HUMIDITY
EXPECTED. MINIMUM RH VALUES AROUND 30 PERCENT ARE EXPECTED.

WINDS WILL WEAKEN AND BECOME MORE ONSHORE SUNDAY...BUT INTERIOR 
LOCATIONS COULD SEE SEVERAL HOURS OF LOW RH AGAIN DURING THE 
AFTERNOON. SO HAVE RAISED A FIRE WEATHER WATCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL LIKELY OCCUR
WITHIN THE NEXT 24 HOURS.

A FIRE WEATHER WATCH IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE FORECAST TO OCCUR IN THE NEXT 24 TO
96 HOURS. PLEASE MONITOR UPCOMING FORECASTS FOR THE LATEST FIRE
WEATHER INFORMATION.

&&

$$

FLZ141-222300-
/O.NEW.KMLB.FW.W.0005.110122T1700Z-110122T2300Z/
COASTAL VOLUSIA-
514 AM EST SAT JAN 22 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING. 

GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP TODAY AS LOW PRESSURE
STRENGTHENS NORTH OF THE BAHAMAS. SUSTAINED 20 FOOT WINDS OF 15 TO
20 MPH WILL ACCOMPANY HIGHER GUSTS. MUCH DRIER AIR WILL BE DRAWN
INTO THE AREA WITH LONG DURATIONS OF CRITICAL RELATIVE HUMIDITY
EXPECTED. MINIMUM RH VALUES AROUND 30 PERCENT ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL LIKELY OCCUR
WITHIN THE NEXT 24 HOURS.

&&

$$

KELLY
1 follow-up statement
671 
WWUS82 KMLB 222309
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
609 PM EST SAT JAN 22 2011

FLZ041-044>046-053-144-231200-
/O.EXP.KMLB.FW.W.0005.000000T0000Z-110122T2300Z/
/O.CON.KMLB.FW.A.0005.110123T1700Z-110123T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
609 PM EST SAT JAN 22 2011

...FIRE WEATHER WATCH REMAINS IN EFFECT SUNDAY AFTERNOON...
...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING FOR TODAY IS NO LONGER IN EFFECT. A FIRE
WEATHER WATCH REMAINS IN EFFECT SUNDAY AFTERNOON.

WINDS WILL WEAKEN AND SHIFT TO NORTH AND THEN NORTHEAST ON SUNDAY..
INTERIOR LOCATIONS COULD SEE SEVERAL HOURS OF LOW RELATIVE HUMIDITY
VALUES DURING THE AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE FORECAST TO OCCUR IN THE NEXT 24 TO
96 HOURS. PLEASE MONITOR UPCOMING FORECASTS FOR THE LATEST FIRE
WEATHER INFORMATION.

&&

$$

FLZ141-230015-
/O.EXP.KMLB.FW.W.0005.000000T0000Z-110122T2300Z/
COASTAL VOLUSIA-
609 PM EST SAT JAN 22 2011

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING FOR TODAY IS NO LONGER IN EFFECT.


$$

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 22, 3:45 AM ESTFreeze WarningMLBLake, Volusia28 hr
Jan 22, 5:14 AM ESTFire Weather WatchMLBLake, Orange, Osceola, Seminole, Volusia23 hr

Nearby

Red Flag Warnings in Florida, 2011Every red flag warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.